$onceki_zaman = strtotime("-3 days");
$suan = time();
$kontrol_sql = mysql_query("select id from program where mac_time > $onceki_zaman and mac_time<$suan");
while($row=mysql_fetch_array($kontrol_sql)) {
mysql_query("delete from oranlar where mac_db_id='$row[id]'");
mysql_query("delete from program where id='$row[id]'");
}